/ftp/cats/aliases/W/WLTV



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J/ApJ/741/98   Spectroscopy of galaxy clusters to find LCBGs   (Crawford+, 2011)
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Beginning of ReadMe : J/ApJ/741/98 Spectroscopy of galaxy clusters to find LCBGs (Crawford+, 2011) ================================================================================ Spectroscopy of luminous compact blue galaxies in distant clusters. I. Spectroscopic data. Crawford S.M., Wirth G.D., Bershady M.A., Hon K. <Astrophys. J., 741, 98 (2011)> =2011ApJ...741...98C ================================================================================ ADC_Keywords: Clusters, galaxy ; Galaxies, photometry ; Spectroscopy ; Redshifts ; Surveys Keywords: galaxies: clusters: general - galaxies: distances and redshifts - galaxies: clusters: individual (MS0451-03, Cl0016+16, ClJ1324+3011 - MS1054-03, ClJ1604+430) - galaxies: evolution - galaxies: starburst Abstract: We used the DEIMOS spectrograph on the Keck II Telescope to obtain spectra of galaxies in the fields of five distant, rich galaxy clusters over the redshift range 0.5<z<0.9 in a search for luminous compact blue galaxies (LCBGs). Unlike traditional studies of galaxy clusters, we preferentially targeted blue cluster members identified via multi-band photometric pre-selection based on imaging data from the WIYN telescope. Of the 1288 sources that we targeted, we determined secure spectroscopic redshifts for 848 sources, yielding a total success rate of 66%. Our redshift measurements are in good agreement with those previously reported in the literature, except for 11 targets which we believe were previously in error. Within our sample, we confirm the presence of 53 LCBGs in the five galaxy clusters. Description: The WIYN Long-term Variability (WLTV) survey is a photometric census of 10 massive galaxy clusters over the redshift range 0.3<z<0.9 undertaken with the WIYN 3.5m telescope. The observations were completed over a six-year period from 1999 October until 2005 June with the Mini-Mosaic camera in UBRI. Full details of the observations, data reduction, and analysis appear in Crawford et al. (2009ApJ...690.1158C). We completed spectroscopic observations of the clusters fields using DEIMOS on the Keck II Telescope during 2005 November and 2007 April.